.page-about {
  background:
    linear-gradient(to right, rgba(200, 200, 200, 0.28) 1px, transparent 1px) 0 0 / 56px 56px,
    linear-gradient(to bottom, rgba(200, 200, 200, 0.28) 1px, transparent 1px) 0 0 / 56px 56px,
    var(--bg);
}

.page-about .about-hero {
  position: relative;
  padding: 140px 0 64px;
  background:
    repeating-linear-gradient(90deg, rgba(255, 255, 255, 0.03) 0 56px, transparent 56px 112px),
    var(--bg-dark);
  color: var(--bg);
  overflow: hidden;
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 10px;
  background: linear-gradient(90deg, #1B3A5C 0 20%, #F5F5F5 0 40%, #A63A2B 0 60%, #2E7D6B 0 80%, #D4A843 0 100%);
  opacity: 0.8;
}

.page-about .about-hero-grid {
  display: grid;
  gap: 28px;
  align-items: center;
}

.page-about .about-hero-copy {
  position: relative;
  padding-left: 18px;
}

.page-about .about-hero-copy::before {
  content: "";
  position: absolute;
  left: 0;
  top: 4px;
  bottom: 4px;
  width: 3px;
  border-radius: 4px;
  background: linear-gradient(to bottom, var(--accent), rgba(212, 168, 67, 0.1));
}

.page-about .about-hero-breadcrumb {
  margin-bottom: 22px;
}

.page-about .about-hero-breadcrumb a {
  color: rgba(245, 245, 245, 0.78);
  text-decoration: none;
}

.page-about .page-breadcrumb-sep {
  color: rgba(245, 245, 245, 0.5);
  margin: 0 8px;
}

.page-about .about-hero-label {
  color: var(--accent);
}

.page-about .about-hero h1 {
  font-family: var(--serif);
  font-size: clamp(1.85rem, 4.5vw, 3.25rem);
  line-height: 1.2;
  margin: 14px 0 20px;
  color: var(--bg);
  letter-spacing: 0.01em;
}

.page-about .about-hero-lead {
  max-width: 560px;
  font-size: clamp(1rem, 1.6vw, 1.18rem);
  line-height: 1.8;
  color: rgba(245, 245, 245, 0.86);
  margin: 0;
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  margin-top: 30px;
}

.page-about .about-hero-cta {
  display: inline-flex;
  align-items: center;
  background: var(--accent);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(212, 168, 67, 0.28);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-about .about-hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(212, 168, 67, 0.34);
}

.page-about .about-hero-link {
  color: var(--bg);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 245, 245, 0.55);
  padding-bottom: 3px;
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.page-about .about-hero-link:hover {
  border-color: var(--accent);
}

.page-about .about-hero-art {
  max-width: 280px;
  margin: 0 auto;
}

.page-about .about-hero-svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .about-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 44px;
  padding: 28px 24px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-lg);
}

.page-about .stat-num {
  display: block;
  font-family: var(--serif);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  color: var(--accent);
}

.page-about .stat-label {
  display: block;
  margin-top: 6px;
  font-size: 0.85rem;
  color: rgba(245, 245, 245, 0.78);
}

.page-about .about-origin,
.page-about .about-milestones,
.page-about .about-culture,
.page-about .about-team {
  padding: 64px 0;
}

.page-about .about-origin-inner {
  display: grid;
  gap: 40px;
  align-items: center;
}

.page-about .about-index {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--serif);
  font-weight: 700;
  color: var(--accent);
  font-size: 0.9rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-about .about-index::after {
  content: "";
  height: 1px;
  width: 44px;
  background: var(--accent);
}

.page-about .about-origin-text h2,
.page-about .about-milestones h2,
.page-about .about-culture h2,
.page-about .about-team h2,
.page-about .about-closing h2 {
  font-family: var(--serif);
  font-size: clamp(1.6rem, 3vw, 2.35rem);
  line-height: 1.25;
  color: var(--primary);
  margin: 16px 0 18px;
}

.page-about .about-origin-text p {
  color: var(--ink-soft);
  line-height: 1.85;
  margin: 0 0 16px;
  font-size: 1rem;
}

.page-about .about-text-link {
  display: inline-block;
  margin-top: 6px;
  color: var(--primary);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-about .about-text-link:hover {
  color: var(--accent);
  border-color: var(--primary);
}

.page-about .about-origin-figure {
  position: relative;
  margin: 0;
}

.page-about .about-origin-figure::before {
  content: "";
  position: absolute;
  left: -12px;
  top: -12px;
  width: 56px;
  height: 56px;
  border-top: 3px solid var(--accent);
  border-left: 3px solid var(--accent);
  border-radius: 18px 0 0 0;
  z-index: -1;
}

.page-about .about-origin-figure img,
.page-about .about-team-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  box-shadow: var(--shadow-2);
}

.page-about .about-origin-figure figcaption,
.page-about .about-team-figure figcaption {
  margin-top: 10px;
  color: var(--ink-soft);
  font-size: 0.85rem;
}

.page-about .about-section-head {
  max-width: 640px;
  margin-bottom: 42px;
}

.page-about .about-section-lead {
  color: var(--ink-soft);
  line-height: 1.75;
  margin: 0;
}

.page-about .about-timeline {
  position: relative;
  padding-left: 44px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  left: 13px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--accent) 6%, var(--line) 55%, transparent);
}

.page-about .tl-item {
  position: relative;
  margin-bottom: 44px;
}

.page-about .tl-marker {
  position: absolute;
  left: 0;
  top: 8px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  background: var(--bg-warm);
  box-shadow: 0 0 0 6px rgba(212, 168, 67, 0.14);
  display: grid;
  place-items: center;
}

.page-about .tl-marker span {
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.page-about .tl-year {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
}

.page-about .tl-card {
  margin-top: 10px;
  background: var(--bg-warm);
  border-radius: var(--radius-md);
  border-top: 3px solid var(--accent);
  padding: 20px 22px;
  box-shadow: var(--shadow-1);
}

.page-about .tl-card h3 {
  font-family: var(--serif);
  font-size: 1.18rem;
  color: var(--primary);
  margin: 0 0 8px;
}

.page-about .tl-card p {
  color: var(--ink-soft);
  line-height: 1.75;
  margin: 0;
  font-size: 0.95rem;
}

.page-about .tl-detail {
  margin-top: 14px;
}

.page-about .tl-detail summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--primary);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  background: rgba(27, 58, 92, 0.08);
  transition: background 0.2s ease;
}

.page-about .tl-detail summary::-webkit-details-marker {
  display: none;
}

.page-about .tl-detail summary::before {
  content: "+";
  font-weight: 700;
  color: var(--accent);
}

.page-about .tl-detail[open] summary::before {
  content: "−";
}

.page-about .tl-detail summary:hover {
  background: rgba(212, 168, 67, 0.18);
}

.page-about .tl-detail p {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px dashed rgba(27, 58, 92, 0.16);
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.7;
}

.page-about .about-timeline-banner {
  display: block;
  width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-1);
  margin-top: 8px;
}

.page-about .culture-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: 1fr;
}

.page-about .culture-card {
  perspective: 1200px;
  height: 340px;
  cursor: pointer;
  outline: none;
}

.page-about .culture-card:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.page-about .culture-card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.55s ease;
}

.page-about .culture-card:hover .culture-card-inner,
.page-about .culture-card:focus-within .culture-card-inner {
  transform: rotateY(180deg);
}

.page-about .culture-face {
  position: absolute;
  inset: 0;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.page-about .culture-front {
  background: var(--bg-warm);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1);
}

.page-about .culture-back {
  background: var(--primary);
  color: var(--bg);
  transform: rotateY(180deg);
}

.page-about .culture-back p {
  font-size: 0.95rem;
  line-height: 1.75;
  margin: 0;
}

.page-about .culture-symbol svg {
  width: 80px;
  height: 80px;
  display: block;
  margin: 0 auto 18px;
}

.page-about .culture-front h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--primary);
  margin: 0;
}

.page-about .culture-hint {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.8rem;
  color: var(--ink-soft);
  letter-spacing: 0.05em;
}

.page-about .team-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.page-about .team-card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 26px 24px;
  box-shadow: var(--shadow-1);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.page-about .team-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-2);
}

.page-about .team-card-top {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-about .team-num {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1.5px solid var(--accent);
  color: var(--primary);
  font-family: var(--serif);
  font-weight: 700;
  font-size: 0.9rem;
}

.page-about .team-card h3 {
  font-family: var(--serif);
  font-size: 1.2rem;
  color: var(--primary);
  margin: 0;
}

.page-about .team-card p {
  color: var(--ink-soft);
  line-height: 1.75;
  font-size: 0.95rem;
  margin: 0;
}

.page-about .about-team-strip {
  display: grid;
  gap: 28px;
  align-items: center;
  margin-top: 48px;
}

.page-about .about-team-figure {
  position: relative;
  margin: 0;
}

.page-about .about-team-quote {
  margin: 0;
  padding: 24px 0 24px 24px;
  border-left: 4px solid var(--accent);
}

.page-about .about-team-quote p {
  font-family: var(--serif);
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  line-height: 1.6;
  color: var(--primary);
  margin: 0 0 12px;
}

.page-about .about-team-quote cite {
  font-style: normal;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.page-about .about-closing {
  background: var(--bg-dark);
  color: var(--bg);
  text-align: center;
  padding: 88px 0;
  position: relative;
  overflow: hidden;
}

.page-about .about-closing::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(212, 168, 67, 0.07) 1px, transparent 1px) 0 0 / 44px 44px,
    linear-gradient(90deg, rgba(212, 168, 67, 0.07) 1px, transparent 1px) 0 0 / 44px 44px;
  pointer-events: none;
}

.page-about .about-closing-inner {
  position: relative;
  max-width: 760px;
}

.page-about .about-closing .about-index {
  justify-content: center;
}

.page-about .about-closing h2 {
  color: var(--bg);
}

.page-about .about-closing p {
  color: rgba(245, 245, 245, 0.82);
  line-height: 1.85;
  font-size: 1rem;
  margin: 0 auto 28px;
}

.page-about .about-closing-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.page-about .about-closing-link {
  color: var(--bg);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 245, 245, 0.55);
  padding-bottom: 3px;
  font-size: 0.95rem;
  transition: border-color 0.2s ease;
}

.page-about .about-closing-link:hover {
  border-color: var(--accent);
}

@media (min-width: 680px) {
  .page-about .about-stats {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-about .culture-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .culture-card {
    height: 300px;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-team-strip {
    grid-template-columns: 0.9fr 1.1fr;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    padding: 160px 0 72px;
  }

  .page-about .about-hero-grid {
    grid-template-columns: 1.08fr 0.92fr;
    gap: 48px;
  }

  .page-about .about-hero-art {
    max-width: 460px;
    margin: 0;
  }

  .page-about .about-origin,
  .page-about .about-milestones,
  .page-about .about-culture,
  .page-about .about-team {
    padding: 96px 0;
  }

  .page-about .about-origin-inner {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 64px;
  }

  .page-about .about-timeline {
    padding-left: 0;
  }

  .page-about .about-timeline::before {
    left: 50%;
  }

  .page-about .tl-item {
    width: 50%;
    margin-right: 50%;
    margin-bottom: 56px;
    padding-left: 0;
  }

  .page-about .tl-item:nth-child(even) {
    margin-right: 0;
    margin-left: 50%;
  }

  .page-about .tl-marker {
    left: auto;
    right: -13px;
  }

  .page-about .tl-item:nth-child(even) .tl-marker {
    right: auto;
    left: -13px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about *,
  .page-about *::before,
  .page-about *::after {
    animation-duration: 0.001s !important;
    transition-duration: 0.001s !important;
  }
}